Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
126560857Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6972506537985493139187132479.22024-07-12 18:41:56
P-1 factors
DateFactorB1B2
2024-07-1269725065379854931391871380000008000000
History
DateUserTypeResult
2024-07-12Ahmed AzhadF-PM1
Factor: 697250653798549313918713 / (P-1, B1=8000000)
2022-07-31TheJudgerNF
no factor from 2^76 to 2^77
2022-07-31TheJudgerNF
no factor from 2^75 to 2^76
2022-07-31TheJudgerNF
no factor from 2^74 to 2^75
2021-07-09SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2015-12-24vichicoNF
no factor from 2^71 to 2^72
2015-12-12caddrNF
no factor from 2^70 to 2^71
2015-10-12SourceBinary.comNF
no factor from 2^69 to 2^70
2015-08-11Judge HaleNF
no factor from 2^68 to 2^69
2015-08-10Judge HaleNF
no factor from 2^67 to 2^68
2015-01-03tscNF
no factor from 2^66 to 2^67
2012-09-22RichardNF
no factor from 2^65 to 2^66
2010-11-03sasaki3NF
no factor from 2^64 to 2^65
2010-05-26Torchwood InstituteNF
no factor from 2^63 to 2^64